FTB-C000292 / Formula component

Open-Close Equality Tolerance

Open-Close Equality Tolerance is the maximum governed open-to-close difference treated as effectively equal.

Also known ascandle equality tolerance

Intermediate 1 linked topicPublished

Definitions

In plain terms

It handles tick size, rounding, floating-point representation, or scale-aware classification without pretending every near-equal pair is exact.

Technical

The contract stores units, reference scale, threshold factor, inclusivity, price precision, and effective version.

Scope

Tolerance must not silently change between research and production.

Examples

  • A governed lesson uses Open-Close Equality Tolerance only with declared inputs, timing, parameters, and edge-case behavior.

Common misconceptions

  • Tolerance must not silently change between research and production.

Concept relationships

Prerequisites

Related

Where this concept is used

Tutorials planned

These catalogued topics use this concept, but their complete build has not shipped yet.

  • D06-F01-A02 Important

Evidence and governance

  1. TA-Lib Global Candle Settings TA-Lib · first party technical publication

    Supports: preferred label, short definition, technical definition

    Limits: TA-Lib defaults are library conventions and do not establish universal definitions for small or large candle bodies.

Reviewed by
fintech-builder-batch-006
Last reviewed
2026-07-27
Next review
2027-07-27
Record status
published
Written by

Fintech engineer building market-data and financial systems, and the author of every article, glossary record, and reference implementation on The Fintech Builder.